Last night, Castle followed in the footsteps of CSI and many other shows and gave us a murder at a science fiction convention. But this Galaxy Quest-inspired outing was much more of a love letter to fans than a spoof on fandom — and it included the above scene, where Nathan Fillion's Castle gets in the Captain's…

American Horror Story is back, and quite possibly twice as insane as last season. Plus Walking Dead ups the ante, proving that basic cable horror is a flourishing genre at last. We get an intense look inside the making of Hitchcock's The Birds. And it turns out that if you write to Dracula instead of Santa, you get a…

What's on TV this week? The return of The Walking Dead, plus the premieres of The CW's Green Arrow TV show and the Beauty and the Beast revamp. There's the first ever airing of something they're calling Dr. Horrible's Sing-Along Blog. And learn how to make your own Viking sword!

What does television have in store for you this week? The season premiere of Supernatural, with a brand new direction! The 100th episode of Adventure Time! MythBusters fact-checks James Cameron! Bullying in space and nudity at the mall! The Anti-Monitor and Red Hulk! Disco Medusa!

This is an absolutely massive week of television. There are a ton of new shows premiering, including Last Resort and the new Teenage Mutant Ninja Turtles. But also, a ton of shows are coming back, including Fringe, Star Wars: The Clone Wars, Person of Interest, and DC Nation. There's also a totally separate Star Wars…

In this week's television, seven of your favorite shows are having their climactic season finales. And a few more are having the penultimate episodes of the season. It's enough to make you have a nervous breakdown — but luckily, John Hodgman is playing a psychotherapist, and he's here to help.

The promo for this week's Fringe hints that a special guest star could help the show live long and prosper... but is it true? Also, there's a four-hour miniseries in which Eddie Izzard and Donald Sutherland rock some crazy hair. A brand new TV show could bring us our weirdest future dystopia in ages. And Ben Edlund is…

You can learn a lot from this week's TV. Like why the Voltron kids don't just form Voltron at the start of a battle. And exactly the worst thing that can happen in a romance on Adventure Time. Plus Person of Interest and Awake are both giving us some pretty twisted criminal enterprises.

This week marked the long-awaited Firefly reunion between Adam Baldwin and Nathan Fillion. But what about the rest of the crew of the Serenity? Here are some suggestions for cameos that the rest of Firefly's MVPs could make on Nathan Fillion's frequently genre-tastic cop show.

It's a charm-off! Robert Downey Jr. stopped by Castle for a quick exchange of banter between the man himself, Nathan Fillion. Alas, the whole thing didn't go much further than, "I'm Iron Man, fuck off! That's a wrap everybody!"